Contractile vacuole in the amoeba Pelomyxa carolinensis.
D000656:Amoeba / Q000166:cytology*; D003593:Cytoplasm; D009994:Osmolar Concentration; D011188:Potassium / Q000032:analysis; D012964:Sodium / Q000032:analysis; D014882:Water-Electrolyte Balance
D012964:Sodium; D011188:Potassium